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ISNTREE Hyaluronic Acid Watery Sun Gel SPF50+ PA++++
ISNTREE

ISNTREE Hyaluronic Acid Watery Sun Gel SPF50+ PA++++

SPF 50Efficacy100/100IrritancyLow·6 UV filters
See all ingredients 76% recommend: 17 reviews In 83 routines
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Works for

4 of 4 advertised claims delivered

Sun protection
SPF 50 · 6 UV filters
Broad spectrum
SPF 50Broad spectrumChemical filters

This product offers a good level of protection against both UVB and UVA rays.

This sunscreen uses organic (so-called "chemical") sunscreen filters. Organic, or "chemical" filters usually provide reliable sun protection and rarely leave a white cast. Sunscreens with organic filters can sting eyes.

This product can be considered "reef safe" because it does not contain the UV filters (oxybenzone and octinoxate) that can be harmful to coral reefs when present in the water in high concentrations.

UV spectrum
UVB290–320 nmUVA II320–340 nmUVA I340–400 nm
Octisalate
Homosalate
Polysilicone-15
Tinosorb S
Tinosorb M
Uvinul A Plus
FilterCoverageWhat it doesEst. amount
OctisalateEthylhexyl SalicylateUVBOctisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen~4.6–5.6%
HomosalateUVB Photo-stable A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation~3.6–4.4%
Polysilicone-15UVB Photo-stable A UV filter. Effective against UVB rays, but does not protect against the most aging UVA light~1.2–1.5%
Tinosorb SBis-ethylhexyloxyphenol Methoxyphenyl TriazineUVBUVA Photo-stable Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.~2–2.4%
Tinosorb MMethylene Bis-benzotriazolyl TetramethylbutylphenolUVBUVA Photo-stable Tinosorb M. A UV filter. Is effective against both UVA and UVB rays. It also provides some protection against visible light. It is photostable and can also be used to improve photostability of other sunscreen ingredients. Its physical properties help to create lightweight sunscreen formulations. It can leave a slight white cast. Unfortunately, it is not approved by the FDA (US) yet~1.5–1.8%
Uvinul A PlusDiethylamino Hydroxybenzoyl Hexyl BenzoateUVA1 Photo-stable Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet~0.95–1.15%
~ marks concentrations estimated from label position and typical use levels
Reef-safe
No oxybenzone or octinoxate — the two filters banned in Hawaii, Florida Keys and Aruba.
Anti-aging
6 ingredients credited for this claim
Strong support
What the product description says
“Ceramide NP: Strengthens the skin's protective barrier, increases skin moisture, smoothes and tightens the skin, and reduces fine lines and wrinkles.”
Source: Korean Skincare Germany

This product can help reduce and prevent fine lines and wrinkles, improve skin elasticity and firmness because it contains adenosine, niacinamide.

These ingredients in the product can also be helpful, even though there is less evidence for their effectiveness: astaxanthin, centella asiatica extract.

Keep in mind that it typically takes at least 6 weeks to notice any results because the changes that are needed to improve fine lines and elasticity happen in the deeper layers of the skin. No topical anti-aging product can “erase” wrinkles or fully reverse signs of aging.

This product can also help prevent early signs of skin aging because it offers a good level of broad spectrum sun protection. Sun damage is the main cause of premature skin aging, and protecting your skin from the sun is the best anti-aging strategy.

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~1.8–2.2%
AdenosineKey activeEffect: HighMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.2–0.4%
AstaxanthinKey activeEffect: MediumHelps neutralize free radicals in skin and might help to calm down inflammation~0.2–0.4%
Centella asiatica extractKey activeEffect: MediumA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.45–0.7%
Hyaluronic acidEffect: LowOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.25–0.45%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.25–0.45%
Moisturizing
20 ingredients credited for this claim
Strong support
What the product description says
“It’s formulated with eight types of hyaluronic acid in different molecular sizes to lock in moisture.”
Source: Yesstyle

This product can help improve hydration of the skin with the two types of ingredients.

The first type is called “humectants”:
these ingredients help attract water. When humectants are on the surface of the skin, they “pull in” the moisture from the outside environment, or from within deeper layers of the skin. The following ingredients in this product do the job: glycerin, hyaluronic acid.

This product also contains ingredients called “occlusives”. They help reduce the speed with which our skin loses moisture to the outside environment. These ingredients also help soften the upper layer of the skin, so it feels less tight and nicer to the touch. The following ingredients in this product do the job: ceramide np, cyclopentasiloxane.

The following ingredients in this product are especially good for supporting the skin barrier and helping with the hydration level: ceramide np, niacinamide

NiacinamideHeroEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~1.8–2.2%
Sodium acetylated hyaluronateKey active· HumectantEffect: HighA type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid~0.2–0.4%
Sodium hyaluronateKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin~0.25–0.45%
Sodium hyaluronate crosspolymerKey active· HumectantEffect: HighAttracts water into the upper layer of the skin~0.25–0.45%
Centella asiatica extractKey activeEffect: HighA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.45–0.7%
Ceramide npHero· EmollientEffect: HighA type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin~0.45–0.65%
GlycerinKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant~0.45–0.65%
Hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation~0.25–0.45%
Hydrolyzed hyaluronic acidKey active· HumectantEffect: HighOne of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin~0.25–0.45%
Hydrolyzed sodium hyaluronateKey activeEffect: HighAttracts water into the upper layer of the skin~0.2–0.4%
AdenosineKey activeEffect: MediumMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.2–0.4%
Olea europaea fruit oilKey active· EmollientEffect: MediumAn emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammation~0.3–0.55%
CyclopentasiloxaneKey active· EmollientEffect: MediumA silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin~1.4–1.7%
Dibutyl adipate· EmollientEffect: LowHelps soften the upper layer of the skin and create a nice product consistency~2.4–2.9%
Propylene glycol· HumectantEffect: LowHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating~0.1–0.2%
Butylene glycol· HumectantEffect: LowUsed to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin~5.9–7.2%
Portulaca oleracea extract· HumectantEffect: LowA plant extract that has some anti-oxidant activity, but solid research is lacking. Can help attract water to the upper layer of the skin~0.3–0.6%
Cetyl peg/ppg-10/1 dimethiconeEffect: LowA type of silicone that helps water and oil mix together. Can help to soften upper layer of the skin~0.15–0.3%
Pentylene glycol· EmollientEffect: LowUsed to preserve products, dissolve other ingredients and create a nice product texture~0.5–0.75%
TocopherolEffect: Low, below effective dosePure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.25–0.45%
Evens skin tone
2 ingredients credited for this claim
Strong support
What the product description says
“Infused with niacinamide to help balance oil and moisture levels while improving the appearance of uneven skin tone.”
Source: Yesstyle

This product offers broad spectrum sun protection. It means that it can prevent hyperpigmentation and help keep the skin tone even (sun damage is the main factor causing age spots, darkening of post-acne marks and other discolorations).

NiacinamideKey activeEffect: HighIs proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production~1.8–2.2%
Pinus pinaster bark extractEffect: LowA plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)~0.45–0.65%
Anti-oxidation
Not advertised by the brand · 7 ingredients credited for this claim
Strong support

This product contains antioxidants (astaxanthin) that can help neutralize free radicals in skin. By doing so, they can lessen the damage the skin gets from the UV light (sun).

The following ingredients - centella asiatica extract, ficus carica fruit extract, pinus pinaster bark extract also can have an antioxidant effect, but there is less evidence to confirm their effectiveness in skin.

AstaxanthinKey activeEffect: HighHelps neutralize free radicals in skin and might help to calm down inflammation~0.2–0.4%
Pinus pinaster bark extractKey activeEffect: MediumA plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)~0.45–0.65%
Ficus carica fruit extractKey activeEffect: MediumA plant extract that can help neutralize free radicals. The concentrations typically used in cosmetics are too small to have an effect~0.25–0.5%
Centella asiatica extractKey activeEffect: MediumA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.~0.45–0.7%
Portulaca oleracea extractEffect: LowA plant extract that has some anti-oxidant activity, but solid research is lacking. Can help attract water to the upper layer of the skin~0.3–0.6%
AdenosineEffect: LowMight help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)~0.2–0.4%
TocopherolUnder-dosedEffect: HighPure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself~0.25–0.45%

Can it cause trouble?

Irritancy
19 flagged ingredients
Low risk
We flag 19 ingredients with irritancy potential; the product's overall irritancy is low. The table lists each ingredient's own rating.
IngredientFunctionIrritationEst. amount
Decyl glucosideHelps oil and water mix together. Can be irritatingHigh~0.3–0.6%est.
Propylene glycolHelps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritatingHigh~0.1–0.2%est.
HomosalateA weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulationMedium~3.6–4.4%est.
Bis-ethylhexyloxyphenol methoxyphenyl triazineTinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.Medium~2–2.4%est.
Methylene bis-benzotriazolyl tetramethylbutylphenolTinosorb M. A UV filter. Is effective against both UVA and UVB rays. It also provides some protection against visible light. It is photostable and can also be used to improve photostability of other sunscreen ingredients. Its physical properties help to create lightweight sunscreen formulations. It can leave a slight white cast. Unfortunately, it is not approved by the FDA (US) yetMedium~1.5–1.8%est.
Polysilicone-15A UV filter. Effective against UVB rays, but does not protect against the most aging UVA lightMedium~1.2–1.5%est.
Diethylamino hydroxybenzoyl hexyl benzoateUvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yetMedium~0.95–1.15%est.
1,2-hexanediolA preservativeMedium~0.5–0.75%est.
Pentylene glycolUsed to preserve products, dissolve other ingredients and create a nice product textureMedium~0.5–0.75%est.
Pinus pinaster bark extractA plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)Medium~0.45–0.65%est.
Centella asiatica extractA plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.Medium~0.45–0.7%est.
Portulaca oleracea extractA plant extract that has some anti-oxidant activity, but solid research is lacking. Can help attract water to the upper layer of the skinMedium~0.3–0.6%est.
Olea europaea fruit oilAn emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammationMedium~0.3–0.55%est.
Ficus carica fruit extractA plant extract that can help neutralize free radicals. The concentrations typically used in cosmetics are too small to have an effectMedium~0.25–0.5%est.
Ceteth-10Helps water and oil mix together and is used as a cleansing agentMedium~0.25–0.45%est.
AstaxanthinHelps neutralize free radicals in skin and might help to calm down inflammationMedium~0.2–0.4%est.
Sodium hyaluronate crosspolymerAttracts water into the upper layer of the skinMedium~0.25–0.45%est.
Acrylates/c10-30 alkyl acrylate crosspolymerMaintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix togetherMedium~0.25–0.45%est.
EthylhexylglycerinA preservativeMedium~0.1–0.2%est.
Comedogenic
Clean of flagged comedogenic ingredients
None flagged
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User reviews

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76%·yes

13 of 17 community members would buy it again.

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Ingredients

Filter by role to see what each ingredient is doing.

Water~45–55%
Formula
Irritation risk
Low

Plain old water

More about Water
Butylene glycol~5.9–7.2%
Formula
Irritation risk
Low
Works for
Moisturizing

Used to create a nice product texture and help delivery of other ingredients. Might be somewhat helpful in attracting water to the upper layer of the skin

More about Butylene glycol
Ethylhexyl salicylate~4.6–5.6%
UV filter
Irritation risk
Low
Works for
Sun protection

Octisalate. A UV filter. It offers some protection against the sun rays that cause sunburn (UVB), but does not protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen

More about Ethylhexyl salicylate
Homosalate~3.6–4.4%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A weak sunscreen that offers some protection against the sun rays that cause sunburn (UVB), but does not offer meaningful protection against protect against the most aging sun rays (UVA). It loses its effectiveness quickly when exposed to sunlight. It is an organic, or so called "chemical" sunscreen. When used in low concentrations, helps to stabilize the product formulation

More about Homosalate
Dibutyl adipate~2.4–2.9%
Formula
Irritation risk
Low
Works for
Moisturizing

Helps soften the upper layer of the skin and create a nice product consistency

More about Dibutyl adipate
Niacinamide~1.8–2.2%
Hero · Moisturizing
Irritation risk
Low
Works for
Anti-agingEvens skin toneAnti-blemishMoisturizingReduces irritationAnti-inflammatoryAntibacterialReduces redness

Is proven to be effective in reducing blemishes, evening out skin tone and helping to improve lines and wrinkles. It helps the skin to repair sun damage, calm down inflammation and keep maintain good levels of moisture. The concentration of about 2% is effective for supporting the skin barrier and evening out the skin tone. Concentration of 4-6% is better for helping with acne and balancing the sebum production

More about Niacinamide
Bis-ethylhexyloxyphenol methoxyphenyl triazine~2–2.4%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Tinosorb S. One of the most effective broad spectrum sunscreen ingredients. Protects from both UVA and UVB rays. It is photostable. Unfortunately, not approved by FDA (US) yet.

More about Bis-ethylhexyloxyphenol methoxyphenyl triazine
Cyclopentasiloxane~1.4–1.7%
Key active
Irritation risk
Low
Works for
MattifyingMoisturizing

A silicone that helps improve the product texture and spreadability. Can absorb oil creating a short-term mattifying effect on the skin

More about Cyclopentasiloxane
Methylene bis-benzotriazolyl tetramethylbutylphenol~1.5–1.8%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Tinosorb M. A UV filter. Is effective against both UVA and UVB rays. It also provides some protection against visible light. It is photostable and can also be used to improve photostability of other sunscreen ingredients. Its physical properties help to create lightweight sunscreen formulations. It can leave a slight white cast. Unfortunately, it is not approved by the FDA (US) yet

More about Methylene bis-benzotriazolyl tetramethylbutylphenol
Polysilicone-15~1.2–1.5%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

A UV filter. Effective against UVB rays, but does not protect against the most aging UVA light

More about Polysilicone-15
Diethylamino hydroxybenzoyl hexyl benzoate~0.95–1.15%
UV filterKey activeIrritant · medium
Irritation risk
Medium
Works for
Sun protection

Uvinul A Plus. A new generation broad spectrum sunscreen that offers an effective protection especially in the UVA range. It is stable in formulations. Unfortunately, is not approved by the FDA (US) yet

More about Diethylamino hydroxybenzoyl hexyl benzoate
1,2-hexanediol~0.5–0.75%
Irritant · medium
Irritation risk
Medium

A preservative

More about 1,2-hexanediol
Pentylene glycol~0.5–0.75%
Irritant · medium
Irritation risk
Medium
Works for
Moisturizing

Used to preserve products, dissolve other ingredients and create a nice product texture

More about Pentylene glycol
Pinus pinaster bark extract~0.45–0.65%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationEvens skin tone

A plant extract that might help neutralize free radicals and reduce hyperpigmentation, but evidence of effectiveness of topical application is lacking. It can be an INCI name for the trademarked ingredient Pycnogenol (but could also be a different type of this plant's bark extract)

More about Pinus pinaster bark extract
Ceramide np~0.45–0.65%
Hero · Moisturizing
Irritation risk
Low
Works for
MoisturizingReduces irritationAnti-inflammatory

A type of lipid similar to ceramides naturally present in skin. Helps to soften the upper layer of the skin and supports the skin barrier function to keep it hydrated. Can help to prevent inflammation in skin

More about Ceramide np
Centella asiatica extract~0.45–0.7%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Reduces irritationReduces rednessMoisturizingAnti-inflammatoryAnti-agingAnti-oxidationAnti-blemish

A plant extract that has been shown to be able to reduce inflammation in skin, support restoration of skin barrier function, as well as support collagen production. Contains active compounds called centelloids: asiaticoside, madecasosside, asiatic acid and madecassic acid. Might be helpful in preventing stretch marks. It can be itself be irritating though.

More about Centella asiatica extract
Glycerin~0.45–0.65%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Naturally present in skin. It attracts water to the upper layer of the skin working as a humectant

More about Glycerin
Portulaca oleracea extract~0.3–0.6%
Irritant · medium
Irritation risk
Medium
Works for
MoisturizingAnti-oxidation

A plant extract that has some anti-oxidant activity, but solid research is lacking. Can help attract water to the upper layer of the skin

More about Portulaca oleracea extract
Houttuynia cordata extract~0.3–0.55%
Formula
Irritation risk
Low
More about Houttuynia cordata extract
Olea europaea fruit oil~0.3–0.55%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

An emollient that helps soften the skin but is not effective for restoring its barrier function. Might be helpful to calm down inflammation

More about Olea europaea fruit oil
Ficus carica fruit extract~0.25–0.5%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidation

A plant extract that can help neutralize free radicals. The concentrations typically used in cosmetics are too small to have an effect

More about Ficus carica fruit extract
Sodium hyaluronate~0.25–0.45%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin

More about Sodium hyaluronate
Ceteth-10~0.25–0.45%
Irritant · medium
Irritation risk
Medium
Works for
Cleansing

Helps water and oil mix together and is used as a cleansing agent

More about Ceteth-10
Hydrogenated lecithin~0.25–0.45%
Formula
Irritation risk
Low
Works for
Cleansing

Helps to retain moisture by creating a protective barrier on the skin. Rich in fatty acids. Improves product texture and helps with the penetration of other ingredients.

More about Hydrogenated lecithin
Decyl glucoside~0.3–0.6%
Irritant · high
Irritation risk
High
Works for
Cleansing

Helps oil and water mix together. Can be irritating

More about Decyl glucoside
Propanediol~0.25–0.45%
Formula
Irritation risk
Low

Acts as a solvent for other ingredients. Speeds up the absorption of other ingredients into the skin

More about Propanediol
Tocopherol~0.25–0.45%
Under-dosed
Irritation risk
Low
Works for
Anti-oxidationAnti-agingAnti-inflammatoryMoisturizing

Pure form of vitamin E. Can help moisturise and protect the skin from free radicals. Often used to help stabilise other ingredients or the formula itself

More about Tocopherol
Astaxanthin~0.2–0.4%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Anti-oxidationAnti-inflammatoryAnti-aging

Helps neutralize free radicals in skin and might help to calm down inflammation

More about Astaxanthin
Hyaluronic acid~0.25–0.45%
Key active
Irritation risk
Low
Works for
MoisturizingAnti-inflammatoryAnti-aging

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. Naturally present in skin. Typically has large molecule size unless advertised otherwise on the product label. Helps support skin's barrier function and may help to reduce inflammation

More about Hyaluronic acid
Sodium hyaluronate crosspolymer~0.25–0.45%
Key activeIrritant · medium
Irritation risk
Medium
Works for
Moisturizing

Attracts water into the upper layer of the skin

More about Sodium hyaluronate crosspolymer
Ascorbyl propyl hyaluronate~0.2–0.4%
Formula
Irritation risk
Low
More about Ascorbyl propyl hyaluronate
Hydrolyzed hyaluronic acid~0.25–0.45%
Key active
Irritation risk
Low
Works for
Moisturizing

One of the best moisturizing ingredients. Attracts water into the upper layer of the skin. A version of it is naturally present in skin

More about Hydrolyzed hyaluronic acid
Hydroxypropyltrimonium hyaluronate~0.25–0.45%
Formula
Irritation risk
Low
More about Hydroxypropyltrimonium hyaluronate
Acrylates/c10-30 alkyl acrylate crosspolymer~0.25–0.45%
Irritant · medium
Irritation risk
Medium

Maintains the texture of skincare products. Allows the product to spread evenly. Helps oil and water mix together

More about Acrylates/c10-30 alkyl acrylate crosspolymer
Sodium acetylated hyaluronate~0.2–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

A type of hyaluronic acid that works as an excellent moisturizer by attracting water into the upper layer of the skin. Is typically feels less sticky on the skin compared to the usual hyaluronic acid

More about Sodium acetylated hyaluronate
Hydrolyzed sodium hyaluronate~0.2–0.4%
Key active
Irritation risk
Low
Works for
Moisturizing

Attracts water into the upper layer of the skin

More about Hydrolyzed sodium hyaluronate
Adenosine~0.2–0.4%
Key active
Irritation risk
Low
Works for
Anti-agingMoisturizingAnti-oxidation

Might help improve cell turnover and reduce inflammation in skin. One study shows that the ingredients might be able to help reduce dynamic wrinkles (for example, in the corners of the eyes or on the forehead)

More about Adenosine
Xanthan gum~0.2–0.35%
Formula
Irritation risk
Low
Works for
Cleansing

Used to create a thicker product consistency

More about Xanthan gum
Cetyl peg/ppg-10/1 dimethicone~0.15–0.3%
Formula
Irritation risk
Low
Works for
CleansingMoisturizing

A type of silicone that helps water and oil mix together. Can help to soften upper layer of the skin

More about Cetyl peg/ppg-10/1 dimethicone
Tromethamine~0.15–0.3%
Formula
Irritation risk
Low

Helps adjust pH in products

More about Tromethamine
Carbomer~0.15–0.3%
Formula
Irritation risk
Low
Works for
Cleansing

Helps create a thicker or gel-like product texture. It is not a surfactant but can be used in gentle cleansing formulations

More about Carbomer
Propylene glycol~0.1–0.2%
Irritant · high
Irritation risk
High
Works for
Moisturizing

Helps oil and water mix together and can enhance the penetration of other ingredients into the skin. It can be irritating

More about Propylene glycol
Ethylhexylglycerin~0.1–0.2%
Irritant · medium
Irritation risk
Medium

A preservative

More about Ethylhexylglycerin
Ingredient list view

Water, Butylene glycol, Ethylhexyl salicylate, Homosalate, Dibutyl adipate, Niacinamide, Bis-ethylhexyloxyphenol methoxyphenyl triazine, Cyclopentasiloxane, Methylene bis-benzotriazolyl tetramethylbutylphenol, Polysilicone-15, Diethylamino hydroxybenzoyl hexyl benzoate, 1,2-hexanediol, Pentylene glycol, Pinus pinaster bark extract, Ceramide np, Centella asiatica extract, Glycerin, Portulaca oleracea extract, Houttuynia cordata extract, Olea europaea fruit oil, Ficus carica fruit extract, Sodium hyaluronate, Ceteth-10, Hydrogenated lecithin, Decyl glucoside, Propanediol, Tocopherol, Astaxanthin, Hyaluronic acid, Sodium hyaluronate crosspolymer, Ascorbyl propyl hyaluronate, Hydrolyzed hyaluronic acid, Hydroxypropyltrimonium hyaluronate, Acrylates/c10-30 alkyl acrylate crosspolymer, Sodium acetylated hyaluronate, Hydrolyzed sodium hyaluronate, Adenosine, Xanthan gum, Cetyl peg/ppg-10/1 dimethicone, Tromethamine, Carbomer, Propylene glycol, Ethylhexylglycerin

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Worth comparing, line by line.

Match % combines shared ingredients, the first five ingredients, shared actives and hero ingredients, irritancy (lower counts in the alternative's favour), texture and body area. Only products in the same routine step are compared.

Side-by-side comparison of this product against its closest alternatives
ISNTREEHyaluronic Acid Watery Sun Gel SPF50+ PA++++YOUR PRODUCTOrjenaAqua UV Perfect Sun Gel SPF50+ PA++++BarrCentella Soothing Sun EssenceSKIN 1004.Madagascar Centella Probio-Cica Glow Sun Ampoule PA++++ SPF50+
Match—82%79%78%
Price$14.64—$18.80+$4.16—
Shared key ingredients—10 of 219 of 217 of 21
Key difference—PolymethylsilsesquioxanePanthenolMadecassic Acid
Irritancy Low Low Low Low
SPFSPF 50SPF 50SPF 50SPF 50
Drying alcohol————
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Product summary

The ingredient list suggests that "ISNTREE - Hyaluronic Acid Watery Sun Gel SPF50+ PA++++" can provide reliable sun protection. We love that it can protect from both UVA and UVB rays (not all sunscreens with SPF ratings give UVA protection. UVA rays do not cause sunburn, but still damage our skin and lead to early aging).

As a plus, this sunscreen uses some of the new generation UV filters (Tinosorb M). These filters are more stable and more gentle on the skin.

Because it includes good moisturizing ingredients, it can also work as a hydrating day cream. Like all broad-spectrum sunscreens, this product has an anti-aging benefit.

Sunscreen filters

This sunscreen uses so-called "chemical", or organic UV filters (organic simply means that their molecules contain atoms of carbon). These filters typically give good sun protection and rarely leave a white cast, but they can be irritating for sensitive skin. The UV filters in this sunscreen are: tinosorb s 2.00% - 2.40%, uvinul a plus 0.95% - 1.15%, octisalate 4.60% - 5.60%, homosalate 3.60% - 4.40%, tinosorb m 1.50% - 1.80% and polysilicone-15 1.20% - 1.50%.

Irritation risk

It contains some common irritants, including those without a benefit for the skin. We assess the overall irritancy of it to be low. For a detailed overview of all potential irritants: click here

You can see the detailed formula review with the breakdown of all actives in the product and the full ingredient list with estimated concentrations in the tables below.

What our users say

Based on 15 reviews 80% recommend this product
  • As for the white cast, all of the reviewers (15) say that it does not leave a white cast.
  • When it comes to using this sunscreen under makeup, all of the reviewers (12) say that it does not pill under makeup.
  • When it comes to comedogenicity, all of the reviewers (9) say that it does not clog pores.
  • As for using this sunscreen in the eye area, the vast majority of the reviewers (100%) find that it stings eyes.
Our users describe the finish of this product as dewy, They find the product's texture to be light and In terms of the smell, our users report that no smell - light fragrance.

About the brand

According to Cruelty-Free Kitty "ISNTREE" is cruelty free and so is its parent company.

Price

The product retails for 13.29£ in the United Kingdom and from 18.50$ up to 20.50$ in the United States.

For a detailed price comparison: click here.

Sources cited in this review

Every concentration estimate and effectiveness label is anchored to one of these 33 studies and safety reviews.

  1. 1
    Opinion on Homosalate - Scientific Committee on Consumer Products ec.europa.eu
  2. 2
    Niacinamide - mechanisms of action and its topical use in dermatologyncbi.nlm.nih.gov
  3. 3
    Gehring, W. (2004). Nicotinic acid/niacinamide and the skin. Journal of Cosmetic Dermatology, 3(2), 88–93. doi:10.1111/j.1473-2130.2004.00115.x ncbi.nlm.nih.gov
  4. 4
    The influence of alkane chain length on the skin irritation potential of 1,2-alkanediolsncbi.nlm.nih.gov
  5. 5
    Study of nutraceutical, nutricosmetics and cosmeceutical potentials of polyphenolic bark extracts from Canadian forest speciesdoi.org
  6. 6
    Skin hydration is significantly increased by a cream formulated to mimic the skin’s own natural moisturizing systemsncbi.nlm.nih.gov
ISNTREE Hyaluronic Acid Watery Sun Gel SPF50+ PA++++
ISNTREEHyaluronic Acid Watery Sun Gel SPF50+ PA++++
Buy at Yesstyle$14.64Amazon

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Buy at Yesstyle$14.64Amazon

As an Amazon Associate, WIMJ earns from qualifying purchases.